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A comment on SpaceX tests black satellite to reduce ‘megaconstellation’ threat to astronomy. Parent comment

Re:SpaceX tests black satellite to reduce ‘megaconstellation... by rtkwe on Thursday January 16, 2020 @01:02PM (#22067104)
They are imaging the flashes as the relativistic particles slam into our atmosphere. No atmosphere, no flash.

https://en.wikipedia.org/wiki/IACT

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